39986415

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2081}}^1$

素因数の和:2160

約数の個数: 48

約数和(自身を含む): 80548416

約数和(自身を除く): 40562001

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 61, 63, 105, 183, 305, 315, 427, 549, 915, 1281, 2081, 2135, 2745, 3843, 6243, 6405, 10405, 14567, 18729, 19215, 31215, 43701, 72835, 93645, 126941, 131103, 218505, 380823, 634705, 655515, 888587, 1142469, 1904115, 2665761, 4442935, 5712345, 7997283, 13328805, 39986415]

約数ペア:

[(1, 39986415), (3, 13328805), (5, 7997283), (7, 5712345), (9, 4442935), (15, 2665761), (21, 1904115), (35, 1142469), (45, 888587), (61, 655515), (63, 634705), (105, 380823), (183, 218505), (305, 131103), (315, 126941), (427, 93645), (549, 72835), (915, 43701), (1281, 31215), (2081, 19215), (2135, 18729), (2745, 14567), (3843, 10405), (6243, 6405)]